CN204348470U - Coupling inductance - Google Patents

Coupling inductance Download PDF

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Publication number
CN204348470U
CN204348470U CN201420772895.6U CN201420772895U CN204348470U CN 204348470 U CN204348470 U CN 204348470U CN 201420772895 U CN201420772895 U CN 201420772895U CN 204348470 U CN204348470 U CN 204348470U
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CN
China
Prior art keywords
coil
lid
cylinder
magnetic conduction
pulp layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420772895.6U
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Chinese (zh)
Inventor
郑谨锋
李政鸿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mag Layers Scientific Technics Co Ltd
Original Assignee
Mag Layers Scientific Technics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mag Layers Scientific Technics Co Ltd filed Critical Mag Layers Scientific Technics Co Ltd
Priority to CN201420772895.6U priority Critical patent/CN204348470U/en
Application granted granted Critical
Publication of CN204348470U publication Critical patent/CN204348470U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of coupling inductance, it includes a high magnetic conduction body, high magnetic conduction body is provided with one first lid and one second lid, one first cylinder and one second cylinder is provided with between this first lid and this second lid, be provided with one first coil around this first cylinder, around this second cylinder, be provided with one second coil; And a low magnetic conduction pulp layer, low magnetic conduction pulp layer to be filled between this first lid and this second lid and to cover this first coil and this second coil, the utility model adopts this first cylinder in this high magnetic conduction body and this second cylinder, thus form two inductors with value by its electromagnetic coupled, can by inductor volume-diminished, and lifting inductance value, and then the utility model can be reached have concurrently volume little, be coupled, inductance value increases and forms effect of two inductors.

Description

Coupling inductance
Technical field
The utility model relates to a kind of inductor, espespecially a kind of reach have concurrently volume little, be coupled, inductance value increases and forms the coupling inductance of two inductors.
Background technology
Because high precision electronic product makes rapid progress, the demand for micro element is also more flat numerous, is wherein considerable element with inductor, eliminates, also become the basic demand of electronic system design using the electromagnetic interference as its electronic product.To this, be illustrated in figure 1 a kind of laminated chip sensor disclosed in No. M388724th, TaiWan, China, it comprises magnetic bodies 41, inductance coil 42,1 first outer electrode 45 and one second outer electrode 46, this inductance coil 42 has input 43 and an output 44, wherein, this magnetic bodies 41 this inductance coil 42 coated, this first outer electrode 45 is fixedly arranged on this magnetic bodies 41 one end and connects this input 43, and this second outer electrode 46 is fixedly arranged on this magnetic bodies 41 other end and connects this output 44.Reduce magnetic saturation though this technical scheme to be reached with the lamination manufacture method of this inductance coil 42 by this magnetic bodies 41 and resistance to electric current can be improved, but also only there is the use of single inductor, the utilization of more how anti-electromagnetic interference cannot be done on precise electronic product, therefore multiplely cannot reach more miniaturized, the more accurate demand of following precise electronic product as aforementioned " laminated chip sensor " as installed on precise electronic product, maybe must install multiple, also can cause magnetic disturbance and magnetically saturated phenomenon between multiple inductor.So, how to be improved for above-mentioned disappearance, be applicant in this case for solve technological difficulties.
Utility model content
Because existing laminated chip sensor only utilizes single coil to be made inductor, but be installed in precise electronic product and cannot reach following more miniaturized, more accurate demand, also effectively cannot eliminate electromagnetic interference, therefore the purpose of this utility model be develop a kind of reach have concurrently volume little, be coupled, inductance value increase and formation two inductors coupling inductance.
For reaching above object, the utility model provides a kind of coupling inductance, it comprises: a high magnetic conduction body, it is provided with one first lid and one second lid, one first cylinder and one second cylinder is provided with between this first lid and this second lid, be provided with one first coil around this first cylinder, around this second cylinder, be provided with one second coil; And a low magnetic conduction pulp layer, it to be filled between this first lid and this second lid and to cover this first coil and this second coil.
Wherein, this first coil and this second coil parallel to each other, or be preferably that this first coil and this second coil are parallel to each other and symmetrical, and one end of this first coil and this second coil exposes to the surperficial side of this low magnetic conduction pulp layer, the other end of this first coil and this second coil exposes to the surperficial opposite side of this low magnetic conduction pulp layer, and this high magnetic conduction body is ferrite, and this low magnetic conduction pulp layer is macromolecule glue, ceramic glue or glass cement.
The utility model adopts this first cylinder in this high magnetic conduction body and this second cylinder, thus form two inductors with value by its electromagnetic coupled, can by inductor volume-diminished, and lifting inductance value, and then the utility model can be reached have concurrently volume little, be coupled, inductance value increases and forms effect of two inductors.
Accompanying drawing explanation
Fig. 1 is the profile of existing laminated chip sensor;
Fig. 2 is the cutaway view of the utility model preferred embodiment;
Fig. 3 is the vertical view of the utility model preferred embodiment;
Fig. 4 is the flux loop schematic diagram of the coupling inductance of the utility model preferred embodiment;
Fig. 5 is the vertical view of the utility model another embodiment better.
Description of reference numerals: 41-magnetic bodies; 42-inductance coil; 43-input; 44-output; 45-first outer electrode; 46-second outer electrode; 1-height magnetic conduction body; 10-first lid; 11-second lid; 12-first cylinder; 13-second cylinder; 14-first coil; 15-second coil; The low magnetic conduction pulp layer of 2-.
Embodiment
For making your juror can have a clear understanding of content of the present utility model, only arranging in pairs or groups in the following instructions graphic, please consult.
As shown in Figure 2, the utility model provides a kind of coupling inductance, and it comprises: high magnetic conduction body 1 and a low magnetic conduction pulp layer 2.
This high magnetic conduction body 1 is provided with one first lid 10 and one second lid 11, one first cylinder 12 and one second cylinder 13 is provided with between this first lid 10 and this second lid 11, one first coil 14 is provided with around this first cylinder 12, one second coil 15 is provided with around this second cylinder 13, in the present embodiment, this high magnetic conduction body 1 is ferrite, and its ferrite can be manganese-zinc ferrite, nickel-zinc ferrite or other ferrite, to have best magnetic conductivity.
This low magnetic conduction pulp layer 2 to be filled between this first lid 10 and this second lid 11 and to cover this first coil 14 and this second coil 15, in the present embodiment, this low magnetic conduction pulp layer 2 is macromolecule glue, ceramic glue or glass cement, its role is to make this first cylinder 12, this first lid 10, the flux loop that this second cylinder 13 and this second lid 11 are formed can not interfere with each other or cause magnetic saturation, make this first cylinder 12 in this high magnetic conduction body 1, this first lid 10, this second cylinder 13 has optimum magnetic coupling circuit and usefulness with this second lid 11.
As shown in Figure 3, wherein in the present embodiment, this first coil 14 is parallel to each other with this second coil 15, this first coil 14 is located on more effectively to come when this first cylinder 12 and this second coil 15 are located on this second cylinder 13 impartially to make magnetic coupling, and this first coil 14 and one end of this second coil 15 expose to the surperficial side of this low magnetic conduction pulp layer 2, this first coil 14 and the other end of this second coil 15 expose to the surperficial opposite side of this low magnetic conduction pulp layer 2.
Be illustrated in figure 4 the flux loop schematic diagram of the coupling inductance of the utility model preferred embodiment.Wherein, as in this first coil 14 input power, now this first cylinder 12 must produce flux loop via this first lid 10, this second cylinder 13, this second lid 11, thus make this second cylinder 13 can produce electric power with this second coil 15, it is power application herein, certainly also can be used for preventing electromagnetic interference, signal transacting, not in this to go forth.And by the preset distance between this first cylinder 12 of adjustment and this second cylinder 13, the inductance value that this first coil 14 is formed with this second coil 15 more can be changed easily, there is adjustable convenience in processing procedure.
Be illustrated in figure 5 the vertical view of the utility model another embodiment better.Wherein, this first coil 14 is parallel to each other and symmetrical with this second coil 15, also identical magnetic coupling effect can be reached, and this first coil 14 and one end of this second coil 15 expose to the surperficial side of this low magnetic conduction pulp layer 2, this first coil 14 and the other end of this second coil 15 expose to the surperficial opposite side of this low magnetic conduction pulp layer 2.
As shown in Figure 2, this first cylinder 12 and this second cylinder 13 in this high magnetic conduction body 1 is adopted by the utility model, thus form two inductors with value by its electromagnetic coupled, can by inductor volume-diminished, and lifting inductance value, and then the utility model can be reached have concurrently volume little, be coupled, inductance value increases and forms effect of two inductors.
Above discussion is only preferred embodiment of the present utility model, and is not used to limit the scope that the utility model implements; Therefore do not depart from the equivalent structures done under spirit of the present utility model and scope change with modify, all should be covered by protection range of the present utility model.

Claims (6)

1. a coupling inductance, is characterized in that, comprises:
One high magnetic conduction body, it is provided with one first lid and one second lid, is provided with one first cylinder and one second cylinder, is provided with one first coil around this first cylinder, be provided with one second coil around this second cylinder between this first lid and this second lid; And
One low magnetic conduction pulp layer, it to be filled between this first lid and this second lid and to cover this first coil and this second coil.
2. coupling inductance as claimed in claim 1, wherein, this first coil and this second coil parallel to each other.
3. coupling inductance as claimed in claim 1, wherein, this first coil and this second coil parallel to each other and symmetrical.
4. coupling inductance as claimed in claim 1, wherein, one end of this first coil and this second coil exposes to the surperficial side of this low magnetic conduction pulp layer, and the other end of this first coil and this second coil exposes to the surperficial opposite side of this low magnetic conduction pulp layer.
5. coupling inductance as claimed in claim 1, wherein, this high magnetic conduction body is ferrite.
6. coupling inductance as claimed in claim 1, wherein, this low magnetic conduction pulp layer is macromolecule glue, ceramic glue or glass cement.
CN201420772895.6U 2014-12-09 2014-12-09 Coupling inductance Expired - Fee Related CN204348470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420772895.6U CN204348470U (en) 2014-12-09 2014-12-09 Coupling inductance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420772895.6U CN204348470U (en) 2014-12-09 2014-12-09 Coupling inductance

Publications (1)

Publication Number Publication Date
CN204348470U true CN204348470U (en) 2015-05-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420772895.6U Expired - Fee Related CN204348470U (en) 2014-12-09 2014-12-09 Coupling inductance

Country Status (1)

Country Link
CN (1) CN204348470U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768122A (en) * 2016-08-19 2018-03-06 马克西姆综合产品公司 Coupled-inductors for low EMI
CN111415813A (en) * 2019-01-07 2020-07-14 台达电子企业管理(上海)有限公司 Method for preparing inductor with vertical winding and injection molding die thereof
US11227856B2 (en) 2019-01-07 2022-01-18 Delta Electronics (Shanghai) Co., Ltd. Multi-chip package power module
US11316438B2 (en) 2019-01-07 2022-04-26 Delta Eletronics (Shanghai) Co., Ltd. Power supply module and manufacture method for same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768122A (en) * 2016-08-19 2018-03-06 马克西姆综合产品公司 Coupled-inductors for low EMI
US11183328B2 (en) 2016-08-19 2021-11-23 Maxim Integrated Products, Inc. Coupled inductors for low electromagnetic interference
CN111415813A (en) * 2019-01-07 2020-07-14 台达电子企业管理(上海)有限公司 Method for preparing inductor with vertical winding and injection molding die thereof
US11227856B2 (en) 2019-01-07 2022-01-18 Delta Electronics (Shanghai) Co., Ltd. Multi-chip package power module
US11316438B2 (en) 2019-01-07 2022-04-26 Delta Eletronics (Shanghai) Co., Ltd. Power supply module and manufacture method for same

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520

Termination date: 20201209

CF01 Termination of patent right due to non-payment of annual fee